Related Clues:
- Apple bug?
- Hypothetical space-time shortcut
- Underground tunnel undamaged when penetrated by soldiers -- 1,000
- Distortion by which things can pass from one period to another
- Cavity make in wood by burrowing larvae
- Opening on a sci-fi program
- Soldiers needing minute to enter inviolate spacetime shortcut
- Sound around shape initially absent in hypothetical tunnel
- Sci-fi anomaly
- In science fiction, a discontinuous period
- Damage done to wood by burrowing larvae
- Space-time tunnel
- Theoretical tunnel through space-time
- Sci-fi passageway
- Travel aid in science fiction